Every acting gig isn't the same, every writing job isn't the same, every live performance isn't the same - the challenge is the level of difficulty or ease, and that may vary.
Ricky JayI think the toughest thing about being an actor in a film is to be with a director who doesn't know what they want. And that can be really, really frustrating.
Ricky JayOnce you get into the era of the printed book, it gets a little easier. After years and years, you make a serious survey of that literature, and then you make it more specific depending on what kind of case appears. I never set out to collect material on cheating at bowling, but I found out that after 20 years, I had a lot of material on cheating at bowling.
Ricky Jay